Finding the Fourth Proportional to 9,751,021.43, 13,434,742.73 and 6,437,414.13
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Solution
The fourth proportional to 9,751,021.43, 13,434,742.73 and 6,437,414.13 is: 8,869,327.52
Step by Step Solution
- Step 1: Write the proportion equation
9,751,021.43 : 13,434,742.73 = 6,437,414.13 : x - Step 2: Convert to fraction form
9,751,021.43/13,434,742.73 = 6,437,414.13/x - Step 3: Cross multiply
9,751,021.43x = 13,434,742.73 × 6,437,414.13 - Step 4: Simplify right side
9,751,021.43x = 86,485,002,650,829.70 - Step 5: Solve for x
x = 86,485,002,650,829.70/9,751,021.43 - Step 6: Final answer
x = 8,869,327.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.